# Noise in digital measurement

**URL:** <https://discuss.saleae.com/t/noise-in-digital-measurement/2272>\
**Category:** Logic 2 Software\
**Created:** [June 13, 2023, 4:18am UTC](https://discuss.saleae.com/t/noise-in-digital-measurement/2272 "2023-06-13T04:18:39Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![tuyendienan3](https://avatars.discourse-cdn.com/v4/letter/t/f08c70/32.png) [@tuyendienan3](https://discuss.saleae.com/u/tuyendienan3)\
**Post date:** [June 13, 2023, 4:18am UTC](https://discuss.saleae.com/t/noise-in-digital-measurement/2272/1 "2023-06-13T04:18:39Z")

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![2023-06-13 11_17_15-](https://canada1.discourse-cdn.com/flex030/uploads/saleae/original/2X/4/46f59e8af976d3d263e25b29950001b92d7dfebe.png)

I have set the digital threshold to 3.3V. However, the digital measurement has a lot of noise.

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**Author:** ![rei\_vilo](https://avatars.discourse-cdn.com/v4/letter/r/0ea827/32.png) [@rei\_vilo](https://discuss.saleae.com/u/rei_vilo)\
**Post date:** [June 13, 2023, 9:11pm UTC](https://discuss.saleae.com/t/noise-in-digital-measurement/2272/2 "2023-06-13T21:11:19Z")

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There is a special parameter to set on, called **glitch filter** , to ignore signals shorter than a given period.

See this post at this thread [What are glitches? - #8 by timreyes](https://discuss.saleae.com/t/what-are-glitches/1074/8)